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Posted to fop-dev@xmlgraphics.apache.org by "JYR (Jira)" <ji...@apache.org> on 2022/03/07 10:22:00 UTC

[jira] [Created] (FOP-3058) AFP-Renderer does not honour fill-rule 'nonzero' of SVG path.

JYR created FOP-3058:
------------------------

             Summary: AFP-Renderer does not honour fill-rule 'nonzero' of SVG path.
                 Key: FOP-3058
                 URL: https://issues.apache.org/jira/browse/FOP-3058
             Project: FOP
          Issue Type: Bug
          Components: image/svg, renderer/afp
    Affects Versions: 2.7
            Reporter: JYR
         Attachments: GreenCrossAsAFP.png, GreenCrossAsPDF.png, TestWithSVGPath-1.7z

Hi there,

We have just isolated an interesting bug in the AFP renderer.

We are embedding some SVG graphics in a FO file and the AFP renderer does not seem to take the "fill-rule" attribute into account.
It seems to ignore the fill-rule 'nonzero' of our path and defaults to 'evenodd'.

The PDF renderer does honour this fill-rule, but not the AFP renderer.

We have isolated this issue in a test project. Just deflate [^TestWithSVGPath-1.7z]. All the necessary files are provided.

This is the correct output of the PDF renderer
!GreenCrossAsPDF.png!

This is the output of the AFP renderer.
!GreenCrossAsAFP.png!

FOP integration:
 * We are calling FOP via java.exe.
 * FOP is configured with an xconf file.

Extract of FO-File
{code:xml}
<fo:instream-foreign-object>
	<svg width="46mm" height="46mm" version="1.1" viewBox="0 0 130.394 130.394" xmlns="http://www.w3.org/2000/svg">
		<g font-family="Helvetica,Arial,&quot;Liberation Sans&quot;" transform="translate(0 130.394)">
			<!-- Red background -->
			<path fill="red" shape-rendering="crispEdges" d="
								M56.693,-73.701 
								h17.008
								v17.008h
								-17.008
								z"/>
			<!-- Green cross, vertical block first, then horizontal -->
			<path fill="green" fill-rule="nonzero" shape-rendering="crispEdges" d="
								M63.543,-70.709
								h 3.307
								v 11.024
								h -3.307
								z
								m-3.858,3.858
								h11.024
								v3.307
								h-11.024
								z
								"/>
			<!-- 2 Rectangles as workaround for Bug in AFP-Renderer -->
			<!-- <rect x="59.685" y="-66.85" width="11.024" height="3.307" fill="powderblue"/> -->
			<!-- <rect x="63.543" y="-70.709" height="11.024" width="3.307" fill="powderblue"/> -->
		</g>
	</svg>
</fo:instream-foreign-object>
{code}
We spotted this bug with FOP version 0.95, but it still occurs with FOP 2.7.



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